New from austriamicrosystems is the AS3932, a 3-channel low-power low-frequency (LF) wakeup receiver offering high sensitivity combined with low current consumption. The device supports the widely used 125 kHz band and, through the optimisation of power consumption, sensitivity and programmability, enables a variety of applications. The wakeup receiver has three independent receiving channels enabling detection of a wakeup signal from any direction. Received data can be correlated with a pattern that is programmed in the register, preventing false wakeups. Primary target applications are active RFID, high-value asset tracking, realtime location systems, operator identification and access control or keyless entry. The AS3932 is available in a TSSOP16 or a QFN (4 x 4) 16LD package and is suitable for operating environments ranging from -40 to +85°C.
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